80704650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41387}}^1$

素因数の和:41415

約数の個数: 48

約数和(自身を含む): 215548704

約数和(自身を除く): 134844054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 41387, 82774, 124161, 206935, 248322, 413870, 538031, 620805, 1034675, 1076062, 1241610, 1614093, 2069350, 2690155, 3104025, 3228186, 5380310, 6208050, 8070465, 13450775, 16140930, 26901550, 40352325, 80704650]

約数ペア:

[(1, 80704650), (2, 40352325), (3, 26901550), (5, 16140930), (6, 13450775), (10, 8070465), (13, 6208050), (15, 5380310), (25, 3228186), (26, 3104025), (30, 2690155), (39, 2069350), (50, 1614093), (65, 1241610), (75, 1076062), (78, 1034675), (130, 620805), (150, 538031), (195, 413870), (325, 248322), (390, 206935), (650, 124161), (975, 82774), (1950, 41387)]