2018038040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{72383}}^1$

素因数の和:72452

約数の個数: 64

約数和(自身を含む): 4925007360

約数和(自身を除く): 2906969320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 13940, 27880, 72383, 144766, 289532, 361915, 579064, 723830, 1230511, 1447660, 2461022, 2895320, 2967703, 4922044, 5935406, 6152555, 9844088, 11870812, 12305110, 14838515, 23741624, 24610220, 29677030, 49220440, 50450951, 59354060, 100901902, 118708120, 201803804, 252254755, 403607608, 504509510, 1009019020, 2018038040]

約数ペア:

[(1, 2018038040), (2, 1009019020), (4, 504509510), (5, 403607608), (8, 252254755), (10, 201803804), (17, 118708120), (20, 100901902), (34, 59354060), (40, 50450951), (41, 49220440), (68, 29677030), (82, 24610220), (85, 23741624), (136, 14838515), (164, 12305110), (170, 11870812), (205, 9844088), (328, 6152555), (340, 5935406), (410, 4922044), (680, 2967703), (697, 2895320), (820, 2461022), (1394, 1447660), (1640, 1230511), (2788, 723830), (3485, 579064), (5576, 361915), (6970, 289532), (13940, 144766), (27880, 72383)]