40469620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 90014400

約数和(自身を除く): 49544780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 281, 379, 380, 562, 758, 1124, 1405, 1516, 1895, 2810, 3790, 5339, 5620, 7201, 7580, 10678, 14402, 21356, 26695, 28804, 36005, 53390, 72010, 106499, 106780, 144020, 212998, 425996, 532495, 1064990, 2023481, 2129980, 4046962, 8093924, 10117405, 20234810, 40469620]

約数ペア:

[(1, 40469620), (2, 20234810), (4, 10117405), (5, 8093924), (10, 4046962), (19, 2129980), (20, 2023481), (38, 1064990), (76, 532495), (95, 425996), (190, 212998), (281, 144020), (379, 106780), (380, 106499), (562, 72010), (758, 53390), (1124, 36005), (1405, 28804), (1516, 26695), (1895, 21356), (2810, 14402), (3790, 10678), (5339, 7580), (5620, 7201)]