80397760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14779}}^1$

素因数の和:14813

約数の個数: 56

約数和(自身を含む): 202722480

約数和(自身を除く): 122324720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 14779, 29558, 59116, 73895, 118232, 147790, 236464, 251243, 295580, 472928, 502486, 591160, 945856, 1004972, 1182320, 1256215, 2009944, 2364640, 2512430, 4019888, 4729280, 5024860, 8039776, 10049720, 16079552, 20099440, 40198880, 80397760]

約数ペア:

[(1, 80397760), (2, 40198880), (4, 20099440), (5, 16079552), (8, 10049720), (10, 8039776), (16, 5024860), (17, 4729280), (20, 4019888), (32, 2512430), (34, 2364640), (40, 2009944), (64, 1256215), (68, 1182320), (80, 1004972), (85, 945856), (136, 591160), (160, 502486), (170, 472928), (272, 295580), (320, 251243), (340, 236464), (544, 147790), (680, 118232), (1088, 73895), (1360, 59116), (2720, 29558), (5440, 14779)]