4005280500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{205399}}^1$

素因数の和:205434

約数の個数: 96

約数和(自身を含む): 12560620800

約数和(自身を除く): 8555340300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 650, 750, 780, 975, 1300, 1500, 1625, 1950, 3250, 3900, 4875, 6500, 9750, 19500, 205399, 410798, 616197, 821596, 1026995, 1232394, 2053990, 2464788, 2670187, 3080985, 4107980, 5134975, 5340374, 6161970, 8010561, 10269950, 10680748, 12323940, 13350935, 15404925, 16021122, 20539900, 25674875, 26701870, 30809850, 32042244, 40052805, 51349750, 53403740, 61619700, 66754675, 77024625, 80105610, 102699500, 133509350, 154049250, 160211220, 200264025, 267018700, 308098500, 333773375, 400528050, 667546750, 801056100, 1001320125, 1335093500, 2002640250, 4005280500]

約数ペア:

[(1, 4005280500), (2, 2002640250), (3, 1335093500), (4, 1001320125), (5, 801056100), (6, 667546750), (10, 400528050), (12, 333773375), (13, 308098500), (15, 267018700), (20, 200264025), (25, 160211220), (26, 154049250), (30, 133509350), (39, 102699500), (50, 80105610), (52, 77024625), (60, 66754675), (65, 61619700), (75, 53403740), (78, 51349750), (100, 40052805), (125, 32042244), (130, 30809850), (150, 26701870), (156, 25674875), (195, 20539900), (250, 16021122), (260, 15404925), (300, 13350935), (325, 12323940), (375, 10680748), (390, 10269950), (500, 8010561), (650, 6161970), (750, 5340374), (780, 5134975), (975, 4107980), (1300, 3080985), (1500, 2670187), (1625, 2464788), (1950, 2053990), (3250, 1232394), (3900, 1026995), (4875, 821596), (6500, 616197), (9750, 410798), (19500, 205399)]