55999940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 126349440

約数和(自身を除く): 70349500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 79, 92, 115, 134, 158, 230, 268, 316, 335, 395, 460, 529, 670, 790, 1058, 1340, 1541, 1580, 1817, 2116, 2645, 3082, 3634, 5290, 5293, 6164, 7268, 7705, 9085, 10580, 10586, 15410, 18170, 21172, 26465, 30820, 35443, 36340, 41791, 52930, 70886, 83582, 105860, 121739, 141772, 167164, 177215, 208955, 243478, 354430, 417910, 486956, 608695, 708860, 835820, 1217390, 2434780, 2799997, 5599994, 11199988, 13999985, 27999970, 55999940]

約数ペア:

[(1, 55999940), (2, 27999970), (4, 13999985), (5, 11199988), (10, 5599994), (20, 2799997), (23, 2434780), (46, 1217390), (67, 835820), (79, 708860), (92, 608695), (115, 486956), (134, 417910), (158, 354430), (230, 243478), (268, 208955), (316, 177215), (335, 167164), (395, 141772), (460, 121739), (529, 105860), (670, 83582), (790, 70886), (1058, 52930), (1340, 41791), (1541, 36340), (1580, 35443), (1817, 30820), (2116, 26465), (2645, 21172), (3082, 18170), (3634, 15410), (5290, 10586), (5293, 10580), (6164, 9085), (7268, 7705)]