13655980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 31497984

約数和(自身を除く): 17842004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 991, 1060, 1378, 1982, 2756, 3445, 3964, 4955, 6890, 9910, 12883, 13780, 19820, 25766, 51532, 52523, 64415, 105046, 128830, 210092, 257660, 262615, 525230, 682799, 1050460, 1365598, 2731196, 3413995, 6827990, 13655980]

約数ペア:

[(1, 13655980), (2, 6827990), (4, 3413995), (5, 2731196), (10, 1365598), (13, 1050460), (20, 682799), (26, 525230), (52, 262615), (53, 257660), (65, 210092), (106, 128830), (130, 105046), (212, 64415), (260, 52523), (265, 51532), (530, 25766), (689, 19820), (991, 13780), (1060, 12883), (1378, 9910), (1982, 6890), (2756, 4955), (3445, 3964)]