40686550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 78289632

約数和(自身を除く): 37603082

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 142, 146, 157, 314, 355, 365, 710, 730, 785, 1570, 1775, 1825, 3550, 3650, 3925, 5183, 7850, 10366, 11147, 11461, 22294, 22922, 25915, 51830, 55735, 57305, 111470, 114610, 129575, 259150, 278675, 286525, 557350, 573050, 813731, 1627462, 4068655, 8137310, 20343275, 40686550]

約数ペア:

[(1, 40686550), (2, 20343275), (5, 8137310), (10, 4068655), (25, 1627462), (50, 813731), (71, 573050), (73, 557350), (142, 286525), (146, 278675), (157, 259150), (314, 129575), (355, 114610), (365, 111470), (710, 57305), (730, 55735), (785, 51830), (1570, 25915), (1775, 22922), (1825, 22294), (3550, 11461), (3650, 11147), (3925, 10366), (5183, 7850)]