16683580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 20088260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 379, 620, 710, 758, 1420, 1516, 1895, 2201, 3790, 4402, 7580, 8804, 11005, 11749, 22010, 23498, 26909, 44020, 46996, 53818, 58745, 107636, 117490, 134545, 234980, 269090, 538180, 834179, 1668358, 3336716, 4170895, 8341790, 16683580]

約数ペア:

[(1, 16683580), (2, 8341790), (4, 4170895), (5, 3336716), (10, 1668358), (20, 834179), (31, 538180), (62, 269090), (71, 234980), (124, 134545), (142, 117490), (155, 107636), (284, 58745), (310, 53818), (355, 46996), (379, 44020), (620, 26909), (710, 23498), (758, 22010), (1420, 11749), (1516, 11005), (1895, 8804), (2201, 7580), (3790, 4402)]