90953980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{991}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 206486784

約数和(自身を除く): 115532804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 353, 706, 991, 1412, 1765, 1982, 3530, 3964, 4589, 4955, 7060, 9178, 9910, 12883, 18356, 19820, 22945, 25766, 45890, 51532, 64415, 91780, 128830, 257660, 349823, 699646, 1399292, 1749115, 3498230, 4547699, 6996460, 9095398, 18190796, 22738495, 45476990, 90953980]

約数ペア:

[(1, 90953980), (2, 45476990), (4, 22738495), (5, 18190796), (10, 9095398), (13, 6996460), (20, 4547699), (26, 3498230), (52, 1749115), (65, 1399292), (130, 699646), (260, 349823), (353, 257660), (706, 128830), (991, 91780), (1412, 64415), (1765, 51532), (1982, 45890), (3530, 25766), (3964, 22945), (4589, 19820), (4955, 18356), (7060, 12883), (9178, 9910)]