2051211100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{5051}}^1$

素因数の和:5227

約数の個数: 72

約数和(自身を含む): 4630703616

約数和(自身を除く): 2579492516

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 131, 155, 262, 310, 524, 620, 655, 775, 1310, 1550, 2620, 3100, 3275, 4061, 5051, 6550, 8122, 10102, 13100, 16244, 20204, 20305, 25255, 40610, 50510, 81220, 101020, 101525, 126275, 156581, 203050, 252550, 313162, 406100, 505100, 626324, 661681, 782905, 1323362, 1565810, 2646724, 3131620, 3308405, 3914525, 6616810, 7829050, 13233620, 15658100, 16542025, 20512111, 33084050, 41024222, 66168100, 82048444, 102560555, 205121110, 410242220, 512802775, 1025605550, 2051211100]

約数ペア:

[(1, 2051211100), (2, 1025605550), (4, 512802775), (5, 410242220), (10, 205121110), (20, 102560555), (25, 82048444), (31, 66168100), (50, 41024222), (62, 33084050), (100, 20512111), (124, 16542025), (131, 15658100), (155, 13233620), (262, 7829050), (310, 6616810), (524, 3914525), (620, 3308405), (655, 3131620), (775, 2646724), (1310, 1565810), (1550, 1323362), (2620, 782905), (3100, 661681), (3275, 626324), (4061, 505100), (5051, 406100), (6550, 313162), (8122, 252550), (10102, 203050), (13100, 156581), (16244, 126275), (20204, 101525), (20305, 101020), (25255, 81220), (40610, 50510)]