16212380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 35696640

約数和(自身を除く): 19484260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 331, 395, 620, 662, 790, 1324, 1580, 1655, 2449, 3310, 4898, 6620, 9796, 10261, 12245, 20522, 24490, 26149, 41044, 48980, 51305, 52298, 102610, 104596, 130745, 205220, 261490, 522980, 810619, 1621238, 3242476, 4053095, 8106190, 16212380]

約数ペア:

[(1, 16212380), (2, 8106190), (4, 4053095), (5, 3242476), (10, 1621238), (20, 810619), (31, 522980), (62, 261490), (79, 205220), (124, 130745), (155, 104596), (158, 102610), (310, 52298), (316, 51305), (331, 48980), (395, 41044), (620, 26149), (662, 24490), (790, 20522), (1324, 12245), (1580, 10261), (1655, 9796), (2449, 6620), (3310, 4898)]