78718250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 162044064

約数和(自身を除く): 83325814

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 125, 130, 250, 265, 325, 457, 530, 650, 689, 914, 1325, 1378, 1625, 2285, 2650, 3250, 3445, 4570, 5941, 6625, 6890, 11425, 11882, 13250, 17225, 22850, 24221, 29705, 34450, 48442, 57125, 59410, 86125, 114250, 121105, 148525, 172250, 242210, 297050, 314873, 605525, 629746, 742625, 1211050, 1485250, 1574365, 3027625, 3148730, 6055250, 7871825, 15743650, 39359125, 78718250]

約数ペア:

[(1, 78718250), (2, 39359125), (5, 15743650), (10, 7871825), (13, 6055250), (25, 3148730), (26, 3027625), (50, 1574365), (53, 1485250), (65, 1211050), (106, 742625), (125, 629746), (130, 605525), (250, 314873), (265, 297050), (325, 242210), (457, 172250), (530, 148525), (650, 121105), (689, 114250), (914, 86125), (1325, 59410), (1378, 57125), (1625, 48442), (2285, 34450), (2650, 29705), (3250, 24221), (3445, 22850), (4570, 17225), (5941, 13250), (6625, 11882), (6890, 11425)]