15694710380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{320431}}^1$

素因数の和:320550

約数の個数: 48

約数和(自身を含む): 34452848640

約数和(自身を除く): 18758138260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 9796, 12245, 24490, 48980, 320431, 640862, 1281724, 1602155, 3204310, 6408620, 9933361, 19866722, 25314049, 39733444, 49666805, 50628098, 99333610, 101256196, 126570245, 198667220, 253140490, 506280980, 784735519, 1569471038, 3138942076, 3923677595, 7847355190, 15694710380]

約数ペア:

[(1, 15694710380), (2, 7847355190), (4, 3923677595), (5, 3138942076), (10, 1569471038), (20, 784735519), (31, 506280980), (62, 253140490), (79, 198667220), (124, 126570245), (155, 101256196), (158, 99333610), (310, 50628098), (316, 49666805), (395, 39733444), (620, 25314049), (790, 19866722), (1580, 9933361), (2449, 6408620), (4898, 3204310), (9796, 1602155), (12245, 1281724), (24490, 640862), (48980, 320431)]