2609840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 6829920

約数和(自身を除く): 4220080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 101, 136, 152, 170, 190, 202, 272, 304, 323, 340, 380, 404, 505, 646, 680, 760, 808, 1010, 1292, 1360, 1520, 1615, 1616, 1717, 1919, 2020, 2584, 3230, 3434, 3838, 4040, 5168, 6460, 6868, 7676, 8080, 8585, 9595, 12920, 13736, 15352, 17170, 19190, 25840, 27472, 30704, 32623, 34340, 38380, 65246, 68680, 76760, 130492, 137360, 153520, 163115, 260984, 326230, 521968, 652460, 1304920, 2609840]

約数ペア:

[(1, 2609840), (2, 1304920), (4, 652460), (5, 521968), (8, 326230), (10, 260984), (16, 163115), (17, 153520), (19, 137360), (20, 130492), (34, 76760), (38, 68680), (40, 65246), (68, 38380), (76, 34340), (80, 32623), (85, 30704), (95, 27472), (101, 25840), (136, 19190), (152, 17170), (170, 15352), (190, 13736), (202, 12920), (272, 9595), (304, 8585), (323, 8080), (340, 7676), (380, 6868), (404, 6460), (505, 5168), (646, 4040), (680, 3838), (760, 3434), (808, 3230), (1010, 2584), (1292, 2020), (1360, 1919), (1520, 1717), (1615, 1616)]