40165320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25747}}^1$

素因数の和:25774

約数の個数: 64

約数和(自身を含む): 129769920

約数和(自身を除く): 89604600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25747, 51494, 77241, 102988, 128735, 154482, 205976, 257470, 308964, 334711, 386205, 514940, 617928, 669422, 772410, 1004133, 1029880, 1338844, 1544820, 1673555, 2008266, 2677688, 3089640, 3347110, 4016532, 5020665, 6694220, 8033064, 10041330, 13388440, 20082660, 40165320]

約数ペア:

[(1, 40165320), (2, 20082660), (3, 13388440), (4, 10041330), (5, 8033064), (6, 6694220), (8, 5020665), (10, 4016532), (12, 3347110), (13, 3089640), (15, 2677688), (20, 2008266), (24, 1673555), (26, 1544820), (30, 1338844), (39, 1029880), (40, 1004133), (52, 772410), (60, 669422), (65, 617928), (78, 514940), (104, 386205), (120, 334711), (130, 308964), (156, 257470), (195, 205976), (260, 154482), (312, 128735), (390, 102988), (520, 77241), (780, 51494), (1560, 25747)]