82017520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4682

約数の個数: 80

約数和(自身を含む): 217486080

約数和(自身を除く): 135468560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 4639, 8840, 9278, 17680, 18556, 23195, 37112, 46390, 60307, 74224, 78863, 92780, 120614, 157726, 185560, 241228, 301535, 315452, 371120, 394315, 482456, 603070, 630904, 788630, 964912, 1025219, 1206140, 1261808, 1577260, 2050438, 2412280, 3154520, 4100876, 4824560, 5126095, 6309040, 8201752, 10252190, 16403504, 20504380, 41008760, 82017520]

約数ペア:

[(1, 82017520), (2, 41008760), (4, 20504380), (5, 16403504), (8, 10252190), (10, 8201752), (13, 6309040), (16, 5126095), (17, 4824560), (20, 4100876), (26, 3154520), (34, 2412280), (40, 2050438), (52, 1577260), (65, 1261808), (68, 1206140), (80, 1025219), (85, 964912), (104, 788630), (130, 630904), (136, 603070), (170, 482456), (208, 394315), (221, 371120), (260, 315452), (272, 301535), (340, 241228), (442, 185560), (520, 157726), (680, 120614), (884, 92780), (1040, 78863), (1105, 74224), (1360, 60307), (1768, 46390), (2210, 37112), (3536, 23195), (4420, 18556), (4639, 17680), (8840, 9278)]