65431960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1229}}^1$

素因数の和:1273

約数の個数: 64

約数和(自身を含む): 162064800

約数和(自身を除く): 96632840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1229, 1331, 2420, 2458, 2662, 4840, 4916, 5324, 6145, 6655, 9832, 10648, 12290, 13310, 13519, 24580, 26620, 27038, 49160, 53240, 54076, 67595, 108152, 135190, 148709, 270380, 297418, 540760, 594836, 743545, 1189672, 1487090, 1635799, 2974180, 3271598, 5948360, 6543196, 8178995, 13086392, 16357990, 32715980, 65431960]

約数ペア:

[(1, 65431960), (2, 32715980), (4, 16357990), (5, 13086392), (8, 8178995), (10, 6543196), (11, 5948360), (20, 3271598), (22, 2974180), (40, 1635799), (44, 1487090), (55, 1189672), (88, 743545), (110, 594836), (121, 540760), (220, 297418), (242, 270380), (440, 148709), (484, 135190), (605, 108152), (968, 67595), (1210, 54076), (1229, 53240), (1331, 49160), (2420, 27038), (2458, 26620), (2662, 24580), (4840, 13519), (4916, 13310), (5324, 12290), (6145, 10648), (6655, 9832)]