42320920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 100336320

約数和(自身を除く): 58015400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 293, 314, 460, 586, 628, 785, 920, 1172, 1256, 1465, 1570, 2344, 2930, 3140, 3611, 5860, 6280, 6739, 7222, 11720, 13478, 14444, 18055, 26956, 28888, 33695, 36110, 46001, 53912, 67390, 72220, 92002, 134780, 144440, 184004, 230005, 269560, 368008, 460010, 920020, 1058023, 1840040, 2116046, 4232092, 5290115, 8464184, 10580230, 21160460, 42320920]

約数ペア:

[(1, 42320920), (2, 21160460), (4, 10580230), (5, 8464184), (8, 5290115), (10, 4232092), (20, 2116046), (23, 1840040), (40, 1058023), (46, 920020), (92, 460010), (115, 368008), (157, 269560), (184, 230005), (230, 184004), (293, 144440), (314, 134780), (460, 92002), (586, 72220), (628, 67390), (785, 53912), (920, 46001), (1172, 36110), (1256, 33695), (1465, 28888), (1570, 26956), (2344, 18055), (2930, 14444), (3140, 13478), (3611, 11720), (5860, 7222), (6280, 6739)]