40404910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6343}}^1$

素因数の和:6377

約数の個数: 48

約数和(自身を含む): 91125216

約数和(自身を除く): 50720306

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6343, 6370, 12686, 31715, 44401, 63430, 82459, 88802, 164918, 222005, 310807, 412295, 444010, 577213, 621614, 824590, 1154426, 1554035, 2886065, 3108070, 4040491, 5772130, 8080982, 20202455, 40404910]

約数ペア:

[(1, 40404910), (2, 20202455), (5, 8080982), (7, 5772130), (10, 4040491), (13, 3108070), (14, 2886065), (26, 1554035), (35, 1154426), (49, 824590), (65, 621614), (70, 577213), (91, 444010), (98, 412295), (130, 310807), (182, 222005), (245, 164918), (455, 88802), (490, 82459), (637, 63430), (910, 44401), (1274, 31715), (3185, 12686), (6343, 6370)]