39968760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25621}}^1$

素因数の和:25648

約数の個数: 64

約数和(自身を含む): 129134880

約数和(自身を除く): 89166120

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, 25621, 51242, 76863, 102484, 128105, 153726, 204968, 256210, 307452, 333073, 384315, 512420, 614904, 666146, 768630, 999219, 1024840, 1332292, 1537260, 1665365, 1998438, 2664584, 3074520, 3330730, 3996876, 4996095, 6661460, 7993752, 9992190, 13322920, 19984380, 39968760]

約数ペア:

[(1, 39968760), (2, 19984380), (3, 13322920), (4, 9992190), (5, 7993752), (6, 6661460), (8, 4996095), (10, 3996876), (12, 3330730), (13, 3074520), (15, 2664584), (20, 1998438), (24, 1665365), (26, 1537260), (30, 1332292), (39, 1024840), (40, 999219), (52, 768630), (60, 666146), (65, 614904), (78, 512420), (104, 384315), (120, 333073), (130, 307452), (156, 256210), (195, 204968), (260, 153726), (312, 128105), (390, 102484), (520, 76863), (780, 51242), (1560, 25621)]