20797971350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{8599}}^1$

素因数の和:8746

約数の個数: 72

約数和(自身を含む): 42359007600

約数和(自身を除く): 21561036250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 305, 325, 610, 650, 793, 1525, 1586, 3050, 3721, 3965, 7442, 7930, 8599, 17198, 18605, 19825, 37210, 39650, 42995, 48373, 85990, 93025, 96746, 111787, 186050, 214975, 223574, 241865, 429950, 483730, 524539, 558935, 1049078, 1117870, 1209325, 2418650, 2622695, 2794675, 5245390, 5589350, 6819007, 13113475, 13638014, 26226950, 31996879, 34095035, 63993758, 68190070, 159984395, 170475175, 319968790, 340950350, 415959427, 799921975, 831918854, 1599843950, 2079797135, 4159594270, 10398985675, 20797971350]

約数ペア:

[(1, 20797971350), (2, 10398985675), (5, 4159594270), (10, 2079797135), (13, 1599843950), (25, 831918854), (26, 799921975), (50, 415959427), (61, 340950350), (65, 319968790), (122, 170475175), (130, 159984395), (305, 68190070), (325, 63993758), (610, 34095035), (650, 31996879), (793, 26226950), (1525, 13638014), (1586, 13113475), (3050, 6819007), (3721, 5589350), (3965, 5245390), (7442, 2794675), (7930, 2622695), (8599, 2418650), (17198, 1209325), (18605, 1117870), (19825, 1049078), (37210, 558935), (39650, 524539), (42995, 483730), (48373, 429950), (85990, 241865), (93025, 223574), (96746, 214975), (111787, 186050)]