401045320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4261}}^1$

素因数の和:4466

約数の個数: 64

約数和(自身を含む): 977361840

約数和(自身を除く): 576316520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 520, 724, 905, 1448, 1810, 2353, 3620, 4261, 4706, 7240, 8522, 9412, 11765, 17044, 18824, 21305, 23530, 34088, 42610, 47060, 55393, 85220, 94120, 110786, 170440, 221572, 276965, 443144, 553930, 771241, 1107860, 1542482, 2215720, 3084964, 3856205, 6169928, 7712410, 10026133, 15424820, 20052266, 30849640, 40104532, 50130665, 80209064, 100261330, 200522660, 401045320]

約数ペア:

[(1, 401045320), (2, 200522660), (4, 100261330), (5, 80209064), (8, 50130665), (10, 40104532), (13, 30849640), (20, 20052266), (26, 15424820), (40, 10026133), (52, 7712410), (65, 6169928), (104, 3856205), (130, 3084964), (181, 2215720), (260, 1542482), (362, 1107860), (520, 771241), (724, 553930), (905, 443144), (1448, 276965), (1810, 221572), (2353, 170440), (3620, 110786), (4261, 94120), (4706, 85220), (7240, 55393), (8522, 47060), (9412, 42610), (11765, 34088), (17044, 23530), (18824, 21305)]