38898320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 96392640

約数和(自身を除く): 57494320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 157, 163, 190, 304, 314, 326, 380, 628, 652, 760, 785, 815, 1256, 1304, 1520, 1570, 1630, 2512, 2608, 2983, 3097, 3140, 3260, 5966, 6194, 6280, 6520, 11932, 12388, 12560, 13040, 14915, 15485, 23864, 24776, 25591, 29830, 30970, 47728, 49552, 51182, 59660, 61940, 102364, 119320, 123880, 127955, 204728, 238640, 247760, 255910, 409456, 486229, 511820, 972458, 1023640, 1944916, 2047280, 2431145, 3889832, 4862290, 7779664, 9724580, 19449160, 38898320]

約数ペア:

[(1, 38898320), (2, 19449160), (4, 9724580), (5, 7779664), (8, 4862290), (10, 3889832), (16, 2431145), (19, 2047280), (20, 1944916), (38, 1023640), (40, 972458), (76, 511820), (80, 486229), (95, 409456), (152, 255910), (157, 247760), (163, 238640), (190, 204728), (304, 127955), (314, 123880), (326, 119320), (380, 102364), (628, 61940), (652, 59660), (760, 51182), (785, 49552), (815, 47728), (1256, 30970), (1304, 29830), (1520, 25591), (1570, 24776), (1630, 23864), (2512, 15485), (2608, 14915), (2983, 13040), (3097, 12560), (3140, 12388), (3260, 11932), (5966, 6520), (6194, 6280)]