20125070960

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1\times {\mathrm{6869}}^1$

素因数の和:7626

約数の個数: 80

約数和(自身を含む): 47749577760

約数和(自身を除く): 27624506800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 691, 848, 1060, 1382, 2120, 2764, 3455, 4240, 5528, 6869, 6910, 11056, 13738, 13820, 27476, 27640, 34345, 36623, 54952, 55280, 68690, 73246, 109904, 137380, 146492, 183115, 274760, 292984, 364057, 366230, 549520, 585968, 728114, 732460, 1456228, 1464920, 1820285, 2912456, 2929840, 3640570, 4746479, 5824912, 7281140, 9492958, 14562280, 18985916, 23732395, 29124560, 37971832, 47464790, 75943664, 94929580, 189859160, 251563387, 379718320, 503126774, 1006253548, 1257816935, 2012507096, 2515633870, 4025014192, 5031267740, 10062535480, 20125070960]

約数ペア:

[(1, 20125070960), (2, 10062535480), (4, 5031267740), (5, 4025014192), (8, 2515633870), (10, 2012507096), (16, 1257816935), (20, 1006253548), (40, 503126774), (53, 379718320), (80, 251563387), (106, 189859160), (212, 94929580), (265, 75943664), (424, 47464790), (530, 37971832), (691, 29124560), (848, 23732395), (1060, 18985916), (1382, 14562280), (2120, 9492958), (2764, 7281140), (3455, 5824912), (4240, 4746479), (5528, 3640570), (6869, 2929840), (6910, 2912456), (11056, 1820285), (13738, 1464920), (13820, 1456228), (27476, 732460), (27640, 728114), (34345, 585968), (36623, 549520), (54952, 366230), (55280, 364057), (68690, 292984), (73246, 274760), (109904, 183115), (137380, 146492)]