2028408080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{36067}}^1$

素因数の和:36136

約数の個数: 80

約数和(自身を含む): 5098572480

約数和(自身を除く): 3070164400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2812, 2960, 3515, 5624, 7030, 11248, 14060, 28120, 36067, 56240, 72134, 144268, 180335, 288536, 360670, 577072, 685273, 721340, 1334479, 1370546, 1442680, 2668958, 2741092, 2885360, 3426365, 5337916, 5482184, 6672395, 6852730, 10675832, 10964368, 13344790, 13705460, 21351664, 25355101, 26689580, 27410920, 50710202, 53379160, 54821840, 101420404, 106758320, 126775505, 202840808, 253551010, 405681616, 507102020, 1014204040, 2028408080]

約数ペア:

[(1, 2028408080), (2, 1014204040), (4, 507102020), (5, 405681616), (8, 253551010), (10, 202840808), (16, 126775505), (19, 106758320), (20, 101420404), (37, 54821840), (38, 53379160), (40, 50710202), (74, 27410920), (76, 26689580), (80, 25355101), (95, 21351664), (148, 13705460), (152, 13344790), (185, 10964368), (190, 10675832), (296, 6852730), (304, 6672395), (370, 5482184), (380, 5337916), (592, 3426365), (703, 2885360), (740, 2741092), (760, 2668958), (1406, 1442680), (1480, 1370546), (1520, 1334479), (2812, 721340), (2960, 685273), (3515, 577072), (5624, 360670), (7030, 288536), (11248, 180335), (14060, 144268), (28120, 72134), (36067, 56240)]