2515528040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{1069}}^1$

素因数の和:1830

約数の個数: 64

約数和(自身を含む): 5737554000

約数和(自身を除く): 3222025960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 661, 712, 890, 1069, 1322, 1780, 2138, 2644, 3305, 3560, 4276, 5288, 5345, 6610, 8552, 10690, 13220, 21380, 26440, 42760, 58829, 95141, 117658, 190282, 235316, 294145, 380564, 470632, 475705, 588290, 706609, 761128, 951410, 1176580, 1413218, 1902820, 2353160, 2826436, 3533045, 3805640, 5652872, 7066090, 14132180, 28264360, 62888201, 125776402, 251552804, 314441005, 503105608, 628882010, 1257764020, 2515528040]

約数ペア:

[(1, 2515528040), (2, 1257764020), (4, 628882010), (5, 503105608), (8, 314441005), (10, 251552804), (20, 125776402), (40, 62888201), (89, 28264360), (178, 14132180), (356, 7066090), (445, 5652872), (661, 3805640), (712, 3533045), (890, 2826436), (1069, 2353160), (1322, 1902820), (1780, 1413218), (2138, 1176580), (2644, 951410), (3305, 761128), (3560, 706609), (4276, 588290), (5288, 475705), (5345, 470632), (6610, 380564), (8552, 294145), (10690, 235316), (13220, 190282), (21380, 117658), (26440, 95141), (42760, 58829)]