8669440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 22406328

約数和(自身を除く): 13736888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 521, 640, 832, 1040, 1042, 1280, 1664, 2080, 2084, 2605, 3328, 4160, 4168, 5210, 6773, 8320, 8336, 10420, 13546, 16640, 16672, 20840, 27092, 33344, 33865, 41680, 54184, 66688, 67730, 83360, 108368, 133376, 135460, 166720, 216736, 270920, 333440, 433472, 541840, 666880, 866944, 1083680, 1733888, 2167360, 4334720, 8669440]

約数ペア:

[(1, 8669440), (2, 4334720), (4, 2167360), (5, 1733888), (8, 1083680), (10, 866944), (13, 666880), (16, 541840), (20, 433472), (26, 333440), (32, 270920), (40, 216736), (52, 166720), (64, 135460), (65, 133376), (80, 108368), (104, 83360), (128, 67730), (130, 66688), (160, 54184), (208, 41680), (256, 33865), (260, 33344), (320, 27092), (416, 20840), (520, 16672), (521, 16640), (640, 13546), (832, 10420), (1040, 8336), (1042, 8320), (1280, 6773), (1664, 5210), (2080, 4168), (2084, 4160), (2605, 3328)]