15721493750

素因数分解:

$2^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1873}}^1$

素因数の和:1996

約数の個数: 96

約数和(自身を含む): 31621726080

約数和(自身を除く): 15900232330

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 79, 85, 125, 158, 170, 250, 395, 425, 625, 790, 850, 1250, 1343, 1873, 1975, 2125, 2686, 3125, 3746, 3950, 4250, 6250, 6715, 9365, 9875, 10625, 13430, 18730, 19750, 21250, 31841, 33575, 46825, 49375, 53125, 63682, 67150, 93650, 98750, 106250, 147967, 159205, 167875, 234125, 246875, 295934, 318410, 335750, 468250, 493750, 739835, 796025, 839375, 1170625, 1479670, 1592050, 1678750, 2341250, 2515439, 3699175, 3980125, 4196875, 5030878, 5853125, 7398350, 7960250, 8393750, 11706250, 12577195, 18495875, 19900625, 25154390, 36991750, 39801250, 62885975, 92479375, 99503125, 125771950, 184958750, 199006250, 314429875, 462396875, 628859750, 924793750, 1572149375, 3144298750, 7860746875, 15721493750]

約数ペア:

[(1, 15721493750), (2, 7860746875), (5, 3144298750), (10, 1572149375), (17, 924793750), (25, 628859750), (34, 462396875), (50, 314429875), (79, 199006250), (85, 184958750), (125, 125771950), (158, 99503125), (170, 92479375), (250, 62885975), (395, 39801250), (425, 36991750), (625, 25154390), (790, 19900625), (850, 18495875), (1250, 12577195), (1343, 11706250), (1873, 8393750), (1975, 7960250), (2125, 7398350), (2686, 5853125), (3125, 5030878), (3746, 4196875), (3950, 3980125), (4250, 3699175), (6250, 2515439), (6715, 2341250), (9365, 1678750), (9875, 1592050), (10625, 1479670), (13430, 1170625), (18730, 839375), (19750, 796025), (21250, 739835), (31841, 493750), (33575, 468250), (46825, 335750), (49375, 318410), (53125, 295934), (63682, 246875), (67150, 234125), (93650, 167875), (98750, 159205), (106250, 147967)]