16158440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 38223360

約数和(自身を除く): 22064920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 157, 166, 248, 310, 314, 332, 415, 620, 628, 664, 785, 830, 1240, 1256, 1570, 1660, 2573, 3140, 3320, 4867, 5146, 6280, 9734, 10292, 12865, 13031, 19468, 20584, 24335, 25730, 26062, 38936, 48670, 51460, 52124, 65155, 97340, 102920, 104248, 130310, 194680, 260620, 403961, 521240, 807922, 1615844, 2019805, 3231688, 4039610, 8079220, 16158440]

約数ペア:

[(1, 16158440), (2, 8079220), (4, 4039610), (5, 3231688), (8, 2019805), (10, 1615844), (20, 807922), (31, 521240), (40, 403961), (62, 260620), (83, 194680), (124, 130310), (155, 104248), (157, 102920), (166, 97340), (248, 65155), (310, 52124), (314, 51460), (332, 48670), (415, 38936), (620, 26062), (628, 25730), (664, 24335), (785, 20584), (830, 19468), (1240, 13031), (1256, 12865), (1570, 10292), (1660, 9734), (2573, 6280), (3140, 5146), (3320, 4867)]