28422680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4969}}^1$

素因数の和:5004

約数の個数: 64

約数和(自身を含む): 75146400

約数和(自身を除く): 46723720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4969, 5720, 9938, 19876, 24845, 39752, 49690, 54659, 64597, 99380, 109318, 129194, 198760, 218636, 258388, 273295, 322985, 437272, 516776, 546590, 645970, 710567, 1093180, 1291940, 1421134, 2186360, 2583880, 2842268, 3552835, 5684536, 7105670, 14211340, 28422680]

約数ペア:

[(1, 28422680), (2, 14211340), (4, 7105670), (5, 5684536), (8, 3552835), (10, 2842268), (11, 2583880), (13, 2186360), (20, 1421134), (22, 1291940), (26, 1093180), (40, 710567), (44, 645970), (52, 546590), (55, 516776), (65, 437272), (88, 322985), (104, 273295), (110, 258388), (130, 218636), (143, 198760), (220, 129194), (260, 109318), (286, 99380), (440, 64597), (520, 54659), (572, 49690), (715, 39752), (1144, 24845), (1430, 19876), (2860, 9938), (4969, 5720)]