84807320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5261}}^1$

素因数の和:5316

約数の個数: 64

約数和(自身を含む): 212163840

約数和(自身を除く): 127356520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 5261, 8060, 10522, 16120, 21044, 26305, 42088, 52610, 68393, 105220, 136786, 163091, 210440, 273572, 326182, 341965, 547144, 652364, 683930, 815455, 1304728, 1367860, 1630910, 2120183, 2735720, 3261820, 4240366, 6523640, 8480732, 10600915, 16961464, 21201830, 42403660, 84807320]

約数ペア:

[(1, 84807320), (2, 42403660), (4, 21201830), (5, 16961464), (8, 10600915), (10, 8480732), (13, 6523640), (20, 4240366), (26, 3261820), (31, 2735720), (40, 2120183), (52, 1630910), (62, 1367860), (65, 1304728), (104, 815455), (124, 683930), (130, 652364), (155, 547144), (248, 341965), (260, 326182), (310, 273572), (403, 210440), (520, 163091), (620, 136786), (806, 105220), (1240, 68393), (1612, 52610), (2015, 42088), (3224, 26305), (4030, 21044), (5261, 16120), (8060, 10522)]