17516980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 40113360

約数和(自身を除く): 22596380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 757, 890, 1157, 1514, 1780, 2314, 3028, 3785, 4628, 5785, 7570, 9841, 11570, 15140, 19682, 23140, 39364, 49205, 67373, 98410, 134746, 196820, 269492, 336865, 673730, 875849, 1347460, 1751698, 3503396, 4379245, 8758490, 17516980]

約数ペア:

[(1, 17516980), (2, 8758490), (4, 4379245), (5, 3503396), (10, 1751698), (13, 1347460), (20, 875849), (26, 673730), (52, 336865), (65, 269492), (89, 196820), (130, 134746), (178, 98410), (260, 67373), (356, 49205), (445, 39364), (757, 23140), (890, 19682), (1157, 15140), (1514, 11570), (1780, 9841), (2314, 7570), (3028, 5785), (3785, 4628)]