161058820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32603}}^1$

素因数の和:32644

約数の個数: 48

約数和(自身を含む): 383423040

約数和(自身を除く): 222364220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 32603, 65206, 130412, 163015, 326030, 423839, 619457, 652060, 847678, 1238914, 1695356, 2119195, 2477828, 3097285, 4238390, 6194570, 8052941, 8476780, 12389140, 16105882, 32211764, 40264705, 80529410, 161058820]

約数ペア:

[(1, 161058820), (2, 80529410), (4, 40264705), (5, 32211764), (10, 16105882), (13, 12389140), (19, 8476780), (20, 8052941), (26, 6194570), (38, 4238390), (52, 3097285), (65, 2477828), (76, 2119195), (95, 1695356), (130, 1238914), (190, 847678), (247, 652060), (260, 619457), (380, 423839), (494, 326030), (988, 163015), (1235, 130412), (2470, 65206), (4940, 32603)]