38861720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 93078720

約数和(自身を除く): 54217000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 797, 920, 1060, 1219, 1594, 2120, 2438, 3188, 3985, 4876, 6095, 6376, 7970, 9752, 12190, 15940, 18331, 24380, 31880, 36662, 42241, 48760, 73324, 84482, 91655, 146648, 168964, 183310, 211205, 337928, 366620, 422410, 733240, 844820, 971543, 1689640, 1943086, 3886172, 4857715, 7772344, 9715430, 19430860, 38861720]

約数ペア:

[(1, 38861720), (2, 19430860), (4, 9715430), (5, 7772344), (8, 4857715), (10, 3886172), (20, 1943086), (23, 1689640), (40, 971543), (46, 844820), (53, 733240), (92, 422410), (106, 366620), (115, 337928), (184, 211205), (212, 183310), (230, 168964), (265, 146648), (424, 91655), (460, 84482), (530, 73324), (797, 48760), (920, 42241), (1060, 36662), (1219, 31880), (1594, 24380), (2120, 18331), (2438, 15940), (3188, 12190), (3985, 9752), (4876, 7970), (6095, 6376)]