127970320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84191}}^1$

素因数の和:84223

約数の個数: 40

約数和(自身を含む): 313194240

約数和(自身を除く): 185223920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 84191, 168382, 336764, 420955, 673528, 841910, 1347056, 1599629, 1683820, 3199258, 3367640, 6398516, 6735280, 7998145, 12797032, 15996290, 25594064, 31992580, 63985160, 127970320]

約数ペア:

[(1, 127970320), (2, 63985160), (4, 31992580), (5, 25594064), (8, 15996290), (10, 12797032), (16, 7998145), (19, 6735280), (20, 6398516), (38, 3367640), (40, 3199258), (76, 1683820), (80, 1599629), (95, 1347056), (152, 841910), (190, 673528), (304, 420955), (380, 336764), (760, 168382), (1520, 84191)]