40053520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2072

約数の個数: 80

約数和(自身を含む): 105618240

約数和(自身を除く): 65564720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2027, 2470, 3952, 4054, 4940, 8108, 9880, 10135, 16216, 19760, 20270, 26351, 32432, 38513, 40540, 52702, 77026, 81080, 105404, 131755, 154052, 162160, 192565, 210808, 263510, 308104, 385130, 421616, 500669, 527020, 616208, 770260, 1001338, 1054040, 1540520, 2002676, 2108080, 2503345, 3081040, 4005352, 5006690, 8010704, 10013380, 20026760, 40053520]

約数ペア:

[(1, 40053520), (2, 20026760), (4, 10013380), (5, 8010704), (8, 5006690), (10, 4005352), (13, 3081040), (16, 2503345), (19, 2108080), (20, 2002676), (26, 1540520), (38, 1054040), (40, 1001338), (52, 770260), (65, 616208), (76, 527020), (80, 500669), (95, 421616), (104, 385130), (130, 308104), (152, 263510), (190, 210808), (208, 192565), (247, 162160), (260, 154052), (304, 131755), (380, 105404), (494, 81080), (520, 77026), (760, 52702), (988, 40540), (1040, 38513), (1235, 32432), (1520, 26351), (1976, 20270), (2027, 19760), (2470, 16216), (3952, 10135), (4054, 9880), (4940, 8108)]