72154940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25229}}^1$

素因数の和:25262

約数の個数: 48

約数和(自身を含む): 178022880

約数和(自身を除く): 105867940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 25229, 50458, 100916, 126145, 252290, 277519, 327977, 504580, 555038, 655954, 1110076, 1311908, 1387595, 1639885, 2775190, 3279770, 3607747, 5550380, 6559540, 7215494, 14430988, 18038735, 36077470, 72154940]

約数ペア:

[(1, 72154940), (2, 36077470), (4, 18038735), (5, 14430988), (10, 7215494), (11, 6559540), (13, 5550380), (20, 3607747), (22, 3279770), (26, 2775190), (44, 1639885), (52, 1387595), (55, 1311908), (65, 1110076), (110, 655954), (130, 555038), (143, 504580), (220, 327977), (260, 277519), (286, 252290), (572, 126145), (715, 100916), (1430, 50458), (2860, 25229)]