53406340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{569}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 127695960

約数和(自身を除く): 74289620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 569, 722, 988, 1138, 1235, 1444, 1805, 2276, 2470, 2845, 3610, 4693, 4940, 5690, 7220, 7397, 9386, 10811, 11380, 14794, 18772, 21622, 23465, 29588, 36985, 43244, 46930, 54055, 73970, 93860, 108110, 140543, 147940, 205409, 216220, 281086, 410818, 562172, 702715, 821636, 1027045, 1405430, 2054090, 2670317, 2810860, 4108180, 5340634, 10681268, 13351585, 26703170, 53406340]

約数ペア:

[(1, 53406340), (2, 26703170), (4, 13351585), (5, 10681268), (10, 5340634), (13, 4108180), (19, 2810860), (20, 2670317), (26, 2054090), (38, 1405430), (52, 1027045), (65, 821636), (76, 702715), (95, 562172), (130, 410818), (190, 281086), (247, 216220), (260, 205409), (361, 147940), (380, 140543), (494, 108110), (569, 93860), (722, 73970), (988, 54055), (1138, 46930), (1235, 43244), (1444, 36985), (1805, 29588), (2276, 23465), (2470, 21622), (2845, 18772), (3610, 14794), (4693, 11380), (4940, 10811), (5690, 9386), (7220, 7397)]