4579940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5580700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 89, 124, 155, 166, 178, 310, 332, 356, 415, 445, 620, 830, 890, 1660, 1780, 2573, 2759, 5146, 5518, 7387, 10292, 11036, 12865, 13795, 14774, 25730, 27590, 29548, 36935, 51460, 55180, 73870, 147740, 228997, 457994, 915988, 1144985, 2289970, 4579940]

約数ペア:

[(1, 4579940), (2, 2289970), (4, 1144985), (5, 915988), (10, 457994), (20, 228997), (31, 147740), (62, 73870), (83, 55180), (89, 51460), (124, 36935), (155, 29548), (166, 27590), (178, 25730), (310, 14774), (332, 13795), (356, 12865), (415, 11036), (445, 10292), (620, 7387), (830, 5518), (890, 5146), (1660, 2759), (1780, 2573)]