254207440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102503}}^1$

素因数の和:102547

約数の個数: 40

約数和(自身を含む): 610103808

約数和(自身を除く): 355896368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 102503, 205006, 410012, 512515, 820024, 1025030, 1640048, 2050060, 3177593, 4100120, 6355186, 8200240, 12710372, 15887965, 25420744, 31775930, 50841488, 63551860, 127103720, 254207440]

約数ペア:

[(1, 254207440), (2, 127103720), (4, 63551860), (5, 50841488), (8, 31775930), (10, 25420744), (16, 15887965), (20, 12710372), (31, 8200240), (40, 6355186), (62, 4100120), (80, 3177593), (124, 2050060), (155, 1640048), (248, 1025030), (310, 820024), (496, 512515), (620, 410012), (1240, 205006), (2480, 102503)]