80269900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{13159}}^1$

素因数の和:13234

約数の個数: 36

約数和(自身を含む): 177054640

約数和(自身を除く): 96784740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 13159, 26318, 52636, 65795, 131590, 263180, 328975, 657950, 802699, 1315900, 1605398, 3210796, 4013495, 8026990, 16053980, 20067475, 40134950, 80269900]

約数ペア:

[(1, 80269900), (2, 40134950), (4, 20067475), (5, 16053980), (10, 8026990), (20, 4013495), (25, 3210796), (50, 1605398), (61, 1315900), (100, 802699), (122, 657950), (244, 328975), (305, 263180), (610, 131590), (1220, 65795), (1525, 52636), (3050, 26318), (6100, 13159)]