79174940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4289}}^1$

素因数の和:4382

約数の個数: 48

約数和(自身を含む): 181621440

約数和(自身を除く): 102446500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4289, 4615, 8578, 9230, 17156, 18460, 21445, 42890, 55757, 85780, 111514, 223028, 278785, 304519, 557570, 609038, 1115140, 1218076, 1522595, 3045190, 3958747, 6090380, 7917494, 15834988, 19793735, 39587470, 79174940]

約数ペア:

[(1, 79174940), (2, 39587470), (4, 19793735), (5, 15834988), (10, 7917494), (13, 6090380), (20, 3958747), (26, 3045190), (52, 1522595), (65, 1218076), (71, 1115140), (130, 609038), (142, 557570), (260, 304519), (284, 278785), (355, 223028), (710, 111514), (923, 85780), (1420, 55757), (1846, 42890), (3692, 21445), (4289, 18460), (4615, 17156), (8578, 9230)]