91887640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2129}}^1$

素因数の和:2236

約数の個数: 64

約数和(自身を含む): 225439200

約数和(自身を除く): 133551560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 2129, 2158, 3320, 4258, 4316, 5395, 8516, 8632, 10645, 10790, 17032, 21290, 21580, 27677, 42580, 43160, 55354, 85160, 110708, 138385, 176707, 221416, 276770, 353414, 553540, 706828, 883535, 1107080, 1413656, 1767070, 2297191, 3534140, 4594382, 7068280, 9188764, 11485955, 18377528, 22971910, 45943820, 91887640]

約数ペア:

[(1, 91887640), (2, 45943820), (4, 22971910), (5, 18377528), (8, 11485955), (10, 9188764), (13, 7068280), (20, 4594382), (26, 3534140), (40, 2297191), (52, 1767070), (65, 1413656), (83, 1107080), (104, 883535), (130, 706828), (166, 553540), (260, 353414), (332, 276770), (415, 221416), (520, 176707), (664, 138385), (830, 110708), (1079, 85160), (1660, 55354), (2129, 43160), (2158, 42580), (3320, 27677), (4258, 21580), (4316, 21290), (5395, 17032), (8516, 10790), (8632, 10645)]