87208040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 201951360

約数和(自身を除く): 114743320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 206, 244, 305, 347, 412, 488, 515, 610, 694, 824, 1030, 1220, 1388, 1735, 2060, 2440, 2776, 3470, 4120, 6283, 6940, 12566, 13880, 21167, 25132, 31415, 35741, 42334, 50264, 62830, 71482, 84668, 105835, 125660, 142964, 169336, 178705, 211670, 251320, 285928, 357410, 423340, 714820, 846680, 1429640, 2180201, 4360402, 8720804, 10901005, 17441608, 21802010, 43604020, 87208040]

約数ペア:

[(1, 87208040), (2, 43604020), (4, 21802010), (5, 17441608), (8, 10901005), (10, 8720804), (20, 4360402), (40, 2180201), (61, 1429640), (103, 846680), (122, 714820), (206, 423340), (244, 357410), (305, 285928), (347, 251320), (412, 211670), (488, 178705), (515, 169336), (610, 142964), (694, 125660), (824, 105835), (1030, 84668), (1220, 71482), (1388, 62830), (1735, 50264), (2060, 42334), (2440, 35741), (2776, 31415), (3470, 25132), (4120, 21167), (6283, 13880), (6940, 12566)]