80452460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1013}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 194712336

約数和(自身を除く): 114259876

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1013, 1045, 1444, 1805, 2026, 2090, 3610, 3971, 4052, 4180, 5065, 7220, 7942, 10130, 11143, 15884, 19247, 19855, 20260, 22286, 38494, 39710, 44572, 55715, 76988, 79420, 96235, 111430, 192470, 211717, 222860, 365693, 384940, 423434, 731386, 846868, 1058585, 1462772, 1828465, 2117170, 3656930, 4022623, 4234340, 7313860, 8045246, 16090492, 20113115, 40226230, 80452460]

約数ペア:

[(1, 80452460), (2, 40226230), (4, 20113115), (5, 16090492), (10, 8045246), (11, 7313860), (19, 4234340), (20, 4022623), (22, 3656930), (38, 2117170), (44, 1828465), (55, 1462772), (76, 1058585), (95, 846868), (110, 731386), (190, 423434), (209, 384940), (220, 365693), (361, 222860), (380, 211717), (418, 192470), (722, 111430), (836, 96235), (1013, 79420), (1045, 76988), (1444, 55715), (1805, 44572), (2026, 39710), (2090, 38494), (3610, 22286), (3971, 20260), (4052, 19855), (4180, 19247), (5065, 15884), (7220, 11143), (7942, 10130)]