1285758080

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22573}}^1$

素因数の和:22681

約数の個数: 64

約数和(自身を含む): 3108439800

約数和(自身を除く): 1822681720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 11392, 14240, 22573, 28480, 45146, 56960, 90292, 112865, 180584, 225730, 361168, 451460, 722336, 902920, 1444672, 1805840, 2008997, 2889344, 3611680, 4017994, 7223360, 8035988, 10044985, 14446720, 16071976, 20089970, 32143952, 40179940, 64287904, 80359880, 128575808, 160719760, 257151616, 321439520, 642879040, 1285758080]

約数ペア:

[(1, 1285758080), (2, 642879040), (4, 321439520), (5, 257151616), (8, 160719760), (10, 128575808), (16, 80359880), (20, 64287904), (32, 40179940), (40, 32143952), (64, 20089970), (80, 16071976), (89, 14446720), (128, 10044985), (160, 8035988), (178, 7223360), (320, 4017994), (356, 3611680), (445, 2889344), (640, 2008997), (712, 1805840), (890, 1444672), (1424, 902920), (1780, 722336), (2848, 451460), (3560, 361168), (5696, 225730), (7120, 180584), (11392, 112865), (14240, 90292), (22573, 56960), (28480, 45146)]