72517250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 149306976

約数和(自身を除く): 76789726

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 125, 130, 250, 265, 325, 421, 530, 650, 689, 842, 1325, 1378, 1625, 2105, 2650, 3250, 3445, 4210, 5473, 6625, 6890, 10525, 10946, 13250, 17225, 21050, 22313, 27365, 34450, 44626, 52625, 54730, 86125, 105250, 111565, 136825, 172250, 223130, 273650, 290069, 557825, 580138, 684125, 1115650, 1368250, 1450345, 2789125, 2900690, 5578250, 7251725, 14503450, 36258625, 72517250]

約数ペア:

[(1, 72517250), (2, 36258625), (5, 14503450), (10, 7251725), (13, 5578250), (25, 2900690), (26, 2789125), (50, 1450345), (53, 1368250), (65, 1115650), (106, 684125), (125, 580138), (130, 557825), (250, 290069), (265, 273650), (325, 223130), (421, 172250), (530, 136825), (650, 111565), (689, 105250), (842, 86125), (1325, 54730), (1378, 52625), (1625, 44626), (2105, 34450), (2650, 27365), (3250, 22313), (3445, 21050), (4210, 17225), (5473, 13250), (6625, 10946), (6890, 10525)]