79441960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4129}}^1$

素因数の和:4190

約数の個数: 64

約数和(自身を含む): 197744400

約数和(自身を除く): 118302440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4129, 4810, 8258, 9620, 16516, 19240, 20645, 33032, 41290, 53677, 82580, 107354, 152773, 165160, 214708, 268385, 305546, 429416, 536770, 611092, 763865, 1073540, 1222184, 1527730, 1986049, 2147080, 3055460, 3972098, 6110920, 7944196, 9930245, 15888392, 19860490, 39720980, 79441960]

約数ペア:

[(1, 79441960), (2, 39720980), (4, 19860490), (5, 15888392), (8, 9930245), (10, 7944196), (13, 6110920), (20, 3972098), (26, 3055460), (37, 2147080), (40, 1986049), (52, 1527730), (65, 1222184), (74, 1073540), (104, 763865), (130, 611092), (148, 536770), (185, 429416), (260, 305546), (296, 268385), (370, 214708), (481, 165160), (520, 152773), (740, 107354), (962, 82580), (1480, 53677), (1924, 41290), (2405, 33032), (3848, 20645), (4129, 19240), (4810, 16516), (8258, 9620)]