13305567640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{91159}}^1$

素因数の和:91300

約数の個数: 64

約数和(自身を含む): 31012632000

約数和(自身を除く): 17707064360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 89, 164, 178, 205, 328, 356, 410, 445, 712, 820, 890, 1640, 1780, 3560, 3649, 7298, 14596, 18245, 29192, 36490, 72980, 91159, 145960, 182318, 364636, 455795, 729272, 911590, 1823180, 3646360, 3737519, 7475038, 8113151, 14950076, 16226302, 18687595, 29900152, 32452604, 37375190, 40565755, 64905208, 74750380, 81131510, 149500760, 162263020, 324526040, 332639191, 665278382, 1330556764, 1663195955, 2661113528, 3326391910, 6652783820, 13305567640]

約数ペア:

[(1, 13305567640), (2, 6652783820), (4, 3326391910), (5, 2661113528), (8, 1663195955), (10, 1330556764), (20, 665278382), (40, 332639191), (41, 324526040), (82, 162263020), (89, 149500760), (164, 81131510), (178, 74750380), (205, 64905208), (328, 40565755), (356, 37375190), (410, 32452604), (445, 29900152), (712, 18687595), (820, 16226302), (890, 14950076), (1640, 8113151), (1780, 7475038), (3560, 3737519), (3649, 3646360), (7298, 1823180), (14596, 911590), (18245, 729272), (29192, 455795), (36490, 364636), (72980, 182318), (91159, 145960)]