2034990040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{10453}}^1$

素因数の和:10652

約数の個数: 64

約数和(自身を含む): 4756988160

約数和(自身を除く): 2721998120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1570, 3140, 4867, 6280, 9734, 10453, 19468, 20906, 24335, 38936, 41812, 48670, 52265, 83624, 97340, 104530, 194680, 209060, 324043, 418120, 648086, 1296172, 1620215, 1641121, 2592344, 3240430, 3282242, 6480860, 6564484, 8205605, 12961720, 13128968, 16411210, 32822420, 50874751, 65644840, 101749502, 203499004, 254373755, 406998008, 508747510, 1017495020, 2034990040]

約数ペア:

[(1, 2034990040), (2, 1017495020), (4, 508747510), (5, 406998008), (8, 254373755), (10, 203499004), (20, 101749502), (31, 65644840), (40, 50874751), (62, 32822420), (124, 16411210), (155, 13128968), (157, 12961720), (248, 8205605), (310, 6564484), (314, 6480860), (620, 3282242), (628, 3240430), (785, 2592344), (1240, 1641121), (1256, 1620215), (1570, 1296172), (3140, 648086), (4867, 418120), (6280, 324043), (9734, 209060), (10453, 194680), (19468, 104530), (20906, 97340), (24335, 83624), (38936, 52265), (41812, 48670)]