2017484720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{1249}}^1$

素因数の和:1654

約数の個数: 80

約数和(自身を含む): 4785780000

約数和(自身を除く): 2768295280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 331, 488, 610, 662, 976, 1220, 1249, 1324, 1655, 2440, 2498, 2648, 3310, 4880, 4996, 5296, 6245, 6620, 9992, 12490, 13240, 19984, 20191, 24980, 26480, 40382, 49960, 76189, 80764, 99920, 100955, 152378, 161528, 201910, 304756, 323056, 380945, 403820, 413419, 609512, 761890, 807640, 826838, 1219024, 1523780, 1615280, 1653676, 2067095, 3047560, 3307352, 4134190, 6095120, 6614704, 8268380, 16536760, 25218559, 33073520, 50437118, 100874236, 126092795, 201748472, 252185590, 403496944, 504371180, 1008742360, 2017484720]

約数ペア:

[(1, 2017484720), (2, 1008742360), (4, 504371180), (5, 403496944), (8, 252185590), (10, 201748472), (16, 126092795), (20, 100874236), (40, 50437118), (61, 33073520), (80, 25218559), (122, 16536760), (244, 8268380), (305, 6614704), (331, 6095120), (488, 4134190), (610, 3307352), (662, 3047560), (976, 2067095), (1220, 1653676), (1249, 1615280), (1324, 1523780), (1655, 1219024), (2440, 826838), (2498, 807640), (2648, 761890), (3310, 609512), (4880, 413419), (4996, 403820), (5296, 380945), (6245, 323056), (6620, 304756), (9992, 201910), (12490, 161528), (13240, 152378), (19984, 100955), (20191, 99920), (24980, 80764), (26480, 76189), (40382, 49960)]