30255920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22247}}^1$

素因数の和:22277

約数の個数: 40

約数和(自身を含む): 74486304

約数和(自身を除く): 44230384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22247, 44494, 88988, 111235, 177976, 222470, 355952, 378199, 444940, 756398, 889880, 1512796, 1779760, 1890995, 3025592, 3781990, 6051184, 7563980, 15127960, 30255920]

約数ペア:

[(1, 30255920), (2, 15127960), (4, 7563980), (5, 6051184), (8, 3781990), (10, 3025592), (16, 1890995), (17, 1779760), (20, 1512796), (34, 889880), (40, 756398), (68, 444940), (80, 378199), (85, 355952), (136, 222470), (170, 177976), (272, 111235), (340, 88988), (680, 44494), (1360, 22247)]