2505638240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{72167}}^1$

素因数の和:72220

約数の個数: 96

約数和(自身を含む): 6983553024

約数和(自身を除く): 4477914784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8680, 17360, 34720, 72167, 144334, 288668, 360835, 505169, 577336, 721670, 1010338, 1154672, 1443340, 2020676, 2237177, 2309344, 2525845, 2886680, 4041352, 4474354, 5051690, 5773360, 8082704, 8948708, 10103380, 11185885, 11546720, 15660239, 16165408, 17897416, 20206760, 22371770, 31320478, 35794832, 40413520, 44743540, 62640956, 71589664, 78301195, 80827040, 89487080, 125281912, 156602390, 178974160, 250563824, 313204780, 357948320, 501127648, 626409560, 1252819120, 2505638240]

約数ペア:

[(1, 2505638240), (2, 1252819120), (4, 626409560), (5, 501127648), (7, 357948320), (8, 313204780), (10, 250563824), (14, 178974160), (16, 156602390), (20, 125281912), (28, 89487080), (31, 80827040), (32, 78301195), (35, 71589664), (40, 62640956), (56, 44743540), (62, 40413520), (70, 35794832), (80, 31320478), (112, 22371770), (124, 20206760), (140, 17897416), (155, 16165408), (160, 15660239), (217, 11546720), (224, 11185885), (248, 10103380), (280, 8948708), (310, 8082704), (434, 5773360), (496, 5051690), (560, 4474354), (620, 4041352), (868, 2886680), (992, 2525845), (1085, 2309344), (1120, 2237177), (1240, 2020676), (1736, 1443340), (2170, 1154672), (2480, 1010338), (3472, 721670), (4340, 577336), (4960, 505169), (6944, 360835), (8680, 288668), (17360, 144334), (34720, 72167)]