53501720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 138801600

約数和(自身を除く): 85299880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 41, 68, 76, 82, 85, 95, 101, 136, 152, 164, 170, 190, 202, 205, 323, 328, 340, 380, 404, 410, 505, 646, 680, 697, 760, 779, 808, 820, 1010, 1292, 1394, 1558, 1615, 1640, 1717, 1919, 2020, 2584, 2788, 3116, 3230, 3434, 3485, 3838, 3895, 4040, 4141, 5576, 6232, 6460, 6868, 6970, 7676, 7790, 8282, 8585, 9595, 12920, 13243, 13736, 13940, 15352, 15580, 16564, 17170, 19190, 20705, 26486, 27880, 31160, 32623, 33128, 34340, 38380, 41410, 52972, 65246, 66215, 68680, 70397, 76760, 78679, 82820, 105944, 130492, 132430, 140794, 157358, 163115, 165640, 260984, 264860, 281588, 314716, 326230, 351985, 393395, 529720, 563176, 629432, 652460, 703970, 786790, 1304920, 1337543, 1407940, 1573580, 2675086, 2815880, 3147160, 5350172, 6687715, 10700344, 13375430, 26750860, 53501720]

約数ペア:

[(1, 53501720), (2, 26750860), (4, 13375430), (5, 10700344), (8, 6687715), (10, 5350172), (17, 3147160), (19, 2815880), (20, 2675086), (34, 1573580), (38, 1407940), (40, 1337543), (41, 1304920), (68, 786790), (76, 703970), (82, 652460), (85, 629432), (95, 563176), (101, 529720), (136, 393395), (152, 351985), (164, 326230), (170, 314716), (190, 281588), (202, 264860), (205, 260984), (323, 165640), (328, 163115), (340, 157358), (380, 140794), (404, 132430), (410, 130492), (505, 105944), (646, 82820), (680, 78679), (697, 76760), (760, 70397), (779, 68680), (808, 66215), (820, 65246), (1010, 52972), (1292, 41410), (1394, 38380), (1558, 34340), (1615, 33128), (1640, 32623), (1717, 31160), (1919, 27880), (2020, 26486), (2584, 20705), (2788, 19190), (3116, 17170), (3230, 16564), (3434, 15580), (3485, 15352), (3838, 13940), (3895, 13736), (4040, 13243), (4141, 12920), (5576, 9595), (6232, 8585), (6460, 8282), (6868, 7790), (6970, 7676)]