77187760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74219}}^1$

素因数の和:74245

約数の個数: 40

約数和(自身を含む): 193268880

約数和(自身を除く): 116081120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74219, 148438, 296876, 371095, 593752, 742190, 964847, 1187504, 1484380, 1929694, 2968760, 3859388, 4824235, 5937520, 7718776, 9648470, 15437552, 19296940, 38593880, 77187760]

約数ペア:

[(1, 77187760), (2, 38593880), (4, 19296940), (5, 15437552), (8, 9648470), (10, 7718776), (13, 5937520), (16, 4824235), (20, 3859388), (26, 2968760), (40, 1929694), (52, 1484380), (65, 1187504), (80, 964847), (104, 742190), (130, 593752), (208, 371095), (260, 296876), (520, 148438), (1040, 74219)]