71091280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4021}}^1$

素因数の和:4064

約数の個数: 80

約数和(自身を含む): 188519184

約数和(自身を除く): 117427904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4021, 4420, 8042, 8840, 16084, 17680, 20105, 32168, 40210, 52273, 64336, 68357, 80420, 104546, 136714, 160840, 209092, 261365, 273428, 321680, 341785, 418184, 522730, 546856, 683570, 836368, 888641, 1045460, 1093712, 1367140, 1777282, 2090920, 2734280, 3554564, 4181840, 4443205, 5468560, 7109128, 8886410, 14218256, 17772820, 35545640, 71091280]

約数ペア:

[(1, 71091280), (2, 35545640), (4, 17772820), (5, 14218256), (8, 8886410), (10, 7109128), (13, 5468560), (16, 4443205), (17, 4181840), (20, 3554564), (26, 2734280), (34, 2090920), (40, 1777282), (52, 1367140), (65, 1093712), (68, 1045460), (80, 888641), (85, 836368), (104, 683570), (130, 546856), (136, 522730), (170, 418184), (208, 341785), (221, 321680), (260, 273428), (272, 261365), (340, 209092), (442, 160840), (520, 136714), (680, 104546), (884, 80420), (1040, 68357), (1105, 64336), (1360, 52273), (1768, 40210), (2210, 32168), (3536, 20105), (4021, 17680), (4420, 16084), (8042, 8840)]