72506980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39839}}^1$

素因数の和:39868

約数の個数: 48

約数和(自身を含む): 187407360

約数和(自身を除く): 114900380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39839, 79678, 159356, 199195, 278873, 398390, 517907, 557746, 796780, 1035814, 1115492, 1394365, 2071628, 2589535, 2788730, 3625349, 5179070, 5577460, 7250698, 10358140, 14501396, 18126745, 36253490, 72506980]

約数ペア:

[(1, 72506980), (2, 36253490), (4, 18126745), (5, 14501396), (7, 10358140), (10, 7250698), (13, 5577460), (14, 5179070), (20, 3625349), (26, 2788730), (28, 2589535), (35, 2071628), (52, 1394365), (65, 1115492), (70, 1035814), (91, 796780), (130, 557746), (140, 517907), (182, 398390), (260, 278873), (364, 199195), (455, 159356), (910, 79678), (1820, 39839)]