1993609840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{1951}}^1$

素因数の和:2258

約数の個数: 80

約数和(自身を含む): 4744624896

約数和(自身を除く): 2751015056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 241, 265, 424, 482, 530, 848, 964, 1060, 1205, 1928, 1951, 2120, 2410, 3856, 3902, 4240, 4820, 7804, 9640, 9755, 12773, 15608, 19280, 19510, 25546, 31216, 39020, 51092, 63865, 78040, 102184, 103403, 127730, 156080, 204368, 206806, 255460, 413612, 470191, 510920, 517015, 827224, 940382, 1021840, 1034030, 1654448, 1880764, 2068060, 2350955, 3761528, 4136120, 4701910, 7523056, 8272240, 9403820, 18807640, 24920123, 37615280, 49840246, 99680492, 124600615, 199360984, 249201230, 398721968, 498402460, 996804920, 1993609840]

約数ペア:

[(1, 1993609840), (2, 996804920), (4, 498402460), (5, 398721968), (8, 249201230), (10, 199360984), (16, 124600615), (20, 99680492), (40, 49840246), (53, 37615280), (80, 24920123), (106, 18807640), (212, 9403820), (241, 8272240), (265, 7523056), (424, 4701910), (482, 4136120), (530, 3761528), (848, 2350955), (964, 2068060), (1060, 1880764), (1205, 1654448), (1928, 1034030), (1951, 1021840), (2120, 940382), (2410, 827224), (3856, 517015), (3902, 510920), (4240, 470191), (4820, 413612), (7804, 255460), (9640, 206806), (9755, 204368), (12773, 156080), (15608, 127730), (19280, 103403), (19510, 102184), (25546, 78040), (31216, 63865), (39020, 51092)]