127968040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1033}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 305236800

約数和(自身を除く): 177268760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1033, 1304, 1630, 2066, 3097, 3260, 4132, 5165, 6194, 6520, 8264, 10330, 12388, 15485, 19627, 20660, 24776, 30970, 39254, 41320, 61940, 78508, 98135, 123880, 157016, 168379, 196270, 336758, 392540, 673516, 785080, 841895, 1347032, 1683790, 3199201, 3367580, 6398402, 6735160, 12796804, 15996005, 25593608, 31992010, 63984020, 127968040]

約数ペア:

[(1, 127968040), (2, 63984020), (4, 31992010), (5, 25593608), (8, 15996005), (10, 12796804), (19, 6735160), (20, 6398402), (38, 3367580), (40, 3199201), (76, 1683790), (95, 1347032), (152, 841895), (163, 785080), (190, 673516), (326, 392540), (380, 336758), (652, 196270), (760, 168379), (815, 157016), (1033, 123880), (1304, 98135), (1630, 78508), (2066, 61940), (3097, 41320), (3260, 39254), (4132, 30970), (5165, 24776), (6194, 20660), (6520, 19627), (8264, 15485), (10330, 12388)]