39942920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 93078720

約数和(自身を除く): 53135800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 83, 106, 166, 212, 227, 265, 332, 415, 424, 454, 530, 664, 830, 908, 1060, 1135, 1660, 1816, 2120, 2270, 3320, 4399, 4540, 8798, 9080, 12031, 17596, 18841, 21995, 24062, 35192, 37682, 43990, 48124, 60155, 75364, 87980, 94205, 96248, 120310, 150728, 175960, 188410, 240620, 376820, 481240, 753640, 998573, 1997146, 3994292, 4992865, 7988584, 9985730, 19971460, 39942920]

約数ペア:

[(1, 39942920), (2, 19971460), (4, 9985730), (5, 7988584), (8, 4992865), (10, 3994292), (20, 1997146), (40, 998573), (53, 753640), (83, 481240), (106, 376820), (166, 240620), (212, 188410), (227, 175960), (265, 150728), (332, 120310), (415, 96248), (424, 94205), (454, 87980), (530, 75364), (664, 60155), (830, 48124), (908, 43990), (1060, 37682), (1135, 35192), (1660, 24062), (1816, 21995), (2120, 18841), (2270, 17596), (3320, 12031), (4399, 9080), (4540, 8798)]