20171284600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{45823}}^1$

素因数の和:45941

約数の個数: 96

約数和(自身を含む): 49094000640

約数和(自身を除く): 28922716040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 71, 100, 124, 142, 155, 200, 248, 284, 310, 355, 568, 620, 710, 775, 1240, 1420, 1550, 1775, 2201, 2840, 3100, 3550, 4402, 6200, 7100, 8804, 11005, 14200, 17608, 22010, 44020, 45823, 55025, 88040, 91646, 110050, 183292, 220100, 229115, 366584, 440200, 458230, 916460, 1145575, 1420513, 1832920, 2291150, 2841026, 3253433, 4582300, 5682052, 6506866, 7102565, 9164600, 11364104, 13013732, 14205130, 16267165, 26027464, 28410260, 32534330, 35512825, 56820520, 65068660, 71025650, 81335825, 100856423, 130137320, 142051300, 162671650, 201712846, 284102600, 325343300, 403425692, 504282115, 650686600, 806851384, 1008564230, 2017128460, 2521410575, 4034256920, 5042821150, 10085642300, 20171284600]

約数ペア:

[(1, 20171284600), (2, 10085642300), (4, 5042821150), (5, 4034256920), (8, 2521410575), (10, 2017128460), (20, 1008564230), (25, 806851384), (31, 650686600), (40, 504282115), (50, 403425692), (62, 325343300), (71, 284102600), (100, 201712846), (124, 162671650), (142, 142051300), (155, 130137320), (200, 100856423), (248, 81335825), (284, 71025650), (310, 65068660), (355, 56820520), (568, 35512825), (620, 32534330), (710, 28410260), (775, 26027464), (1240, 16267165), (1420, 14205130), (1550, 13013732), (1775, 11364104), (2201, 9164600), (2840, 7102565), (3100, 6506866), (3550, 5682052), (4402, 4582300), (6200, 3253433), (7100, 2841026), (8804, 2291150), (11005, 1832920), (14200, 1420513), (17608, 1145575), (22010, 916460), (44020, 458230), (45823, 440200), (55025, 366584), (88040, 229115), (91646, 220100), (110050, 183292)]