78366987220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1\times {\mathrm{50767}}^1$

素因数の和:51832

約数の個数: 48

約数和(自身を含む): 166827709440

約数和(自身を除く): 88460722220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 977, 1580, 1954, 3908, 4885, 9770, 19540, 50767, 77183, 101534, 154366, 203068, 253835, 308732, 385915, 507670, 771830, 1015340, 1543660, 4010593, 8021186, 16042372, 20052965, 40105930, 49599359, 80211860, 99198718, 198397436, 247996795, 495993590, 991987180, 3918349361, 7836698722, 15673397444, 19591746805, 39183493610, 78366987220]

約数ペア:

[(1, 78366987220), (2, 39183493610), (4, 19591746805), (5, 15673397444), (10, 7836698722), (20, 3918349361), (79, 991987180), (158, 495993590), (316, 247996795), (395, 198397436), (790, 99198718), (977, 80211860), (1580, 49599359), (1954, 40105930), (3908, 20052965), (4885, 16042372), (9770, 8021186), (19540, 4010593), (50767, 1543660), (77183, 1015340), (101534, 771830), (154366, 507670), (203068, 385915), (253835, 308732)]