11960780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 27306720

約数和(自身を除く): 15345940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 257, 260, 358, 514, 716, 895, 1028, 1285, 1790, 2327, 2570, 3341, 3580, 4654, 5140, 6682, 9308, 11635, 13364, 16705, 23270, 33410, 46003, 46540, 66820, 92006, 184012, 230015, 460030, 598039, 920060, 1196078, 2392156, 2990195, 5980390, 11960780]

約数ペア:

[(1, 11960780), (2, 5980390), (4, 2990195), (5, 2392156), (10, 1196078), (13, 920060), (20, 598039), (26, 460030), (52, 230015), (65, 184012), (130, 92006), (179, 66820), (257, 46540), (260, 46003), (358, 33410), (514, 23270), (716, 16705), (895, 13364), (1028, 11635), (1285, 9308), (1790, 6682), (2327, 5140), (2570, 4654), (3341, 3580)]